From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 17 Jan 2025 07:18:03 -0800 Received: from mail-yb1-f188.google.com ([209.85.219.188]) by mail.fairlystable.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1tYo6l-0008V4-AO for bitcoindev@gnusha.org; Fri, 17 Jan 2025 07:18:03 -0800 Received: by mail-yb1-f188.google.com with SMTP id 3f1490d57ef6-e399457a216sf4381556276.3 for ; Fri, 17 Jan 2025 07:18:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlegroups.com; s=20230601; t=1737127077; x=1737731877; darn=gnusha.org; h=list-unsubscribe:list-subscribe:list-archive:list-help:list-post :list-id:mailing-list:precedence:x-original-sender:mime-version :subject:message-id:to:from:date:sender:from:to:cc:subject:date :message-id:reply-to; bh=UgpNX9CTZqOxa3BhX6T+JQnXaNRVxFw9Dot+EnjJmsA=; b=bNZRyBcaY5xk/+Ef1MjEZXtknmueuqtzvqKO38BYD5RS/RhWvAUPYhNjtBOhjF2E59 87apcA1pU3qAFYHWhn3gMzVBZG37fURHfH0d4PCOOFzYru0z2xWggMuYnJMKAMe63GTX /aDNwdfgaemm1iQV5NDWsShn3I4FTVECVFRUgv8F5wdOenel0K2Bry0E/UoD9XjeLmzg LLnpQwZ8/F8E8Ma/0cl2Vyi994LkM3RRs2xLQVNTty+V3VynppvF9lix06pKFpMTZ6sK gyDAXp9Bp9OWnc4jjjFd1TnVhEeaCfWk8OxNuIzJr78mPxdHtgX2yVBTp8X5pixD4Uvt Ni6Q== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1737127077; x=1737731877; darn=gnusha.org; h=list-unsubscribe:list-subscribe:list-archive:list-help:list-post :list-id:mailing-list:precedence:x-original-sender:mime-version :subject:message-id:to:from:date:from:to:cc:subject:date:message-id :reply-to; bh=UgpNX9CTZqOxa3BhX6T+JQnXaNRVxFw9Dot+EnjJmsA=; b=haBoVJ1S4I1w4Wn/KhHwT0YZbT2wBeHBTWHLMzRR4IEviKvODI+FVGz1Q1mgHr1Ug2 mj+qA9259BcG6TjjOc0+wJW4O/wHomHddY8zITJkjKzYQl/gQsrMlcWmPVHjGSP9pGq7 Pv1oDAe7Att9VLh6nDBSARIzikQoDb/9Im+jRkIDRo3MgE2KBcM+s5MFfpgATcpAdMpL tmr5LYggnsOOnFDcVDrBs2xQivH4c/i37OaarVJp4+z47bfUKzcLhHs7WeOeJSTOWd69 I9avzuNLJP8gvD8e0D7nCk01goIEcmMwvlaeNZnJ3mIXR9tPPLF64HeM8z2kdsADV7RF g6Mg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1737127077; x=1737731877; h=list-unsubscribe:list-subscribe:list-archive:list-help:list-post :list-id:mailing-list:precedence:x-original-sender:mime-version :subject:message-id:to:from:date:x-beenthere:x-gm-message-state :sender:from:to:cc:subject:date:message-id:reply-to; bh=UgpNX9CTZqOxa3BhX6T+JQnXaNRVxFw9Dot+EnjJmsA=; b=tUcPOxClS42m4wPP6ITuc9N1QA5/wgLmhvMiZp97SEUb65456f/CKenyw528mlkWgE fZDK+bhmSDhz0dCSa2WnaIYYb8vCdKu3lz6aAasVSx3zNDgaXfoFLefo1Gv5bl4ZySoJ fcCv0xqG4JrYGvL+Ol447kU3KWjeh/GFSLtJWRPwPiJ1+fQUgraYJ45K23KyUrvL3JJV QZEcDlgylKDBa7/IQpVOZ+Yfi5KamQ+ndXiNmY5D4Q0BwWeZj1YaNGenziNxGS+INe7m DvOApO1R29n+V0tq91nDy47IawFw6mVdWF3zarLhmhMfZvpeemrFPomeSeQqD63NYZNo 9y1A== Sender: bitcoindev@googlegroups.com X-Forwarded-Encrypted: i=1; AJvYcCU4FQIkYQMMfSURDxKWxf5XNyLLA2EtlJhG9xQpIxa78YhddGjSMO00RF6vh6D3gEXIzxqpzsjNEu8b@gnusha.org X-Gm-Message-State: AOJu0YxHESDEyQBF/kkgEG9w/CspG8sFQpthVVDEj71ld9UVtE5mdJiq osaDtDBdRw4oCibHZfPpI2YfZrmSUudGU4ElVOOK9QTpGvFuzzPW X-Google-Smtp-Source: AGHT+IFM1dDGHzk//qejil2BBo1fuInTsgx+u3Y2+pRnCD0PhZZfw1gY5BZzPyTUtZcWtB3TdlcZ1Q== X-Received: by 2002:a05:6902:701:b0:e49:b4fc:acf5 with SMTP id 3f1490d57ef6-e57b106f167mr1732775276.25.1737127076860; Fri, 17 Jan 2025 07:17:56 -0800 (PST) X-BeenThere: bitcoindev@googlegroups.com Received: by 2002:a25:e0d4:0:b0:e48:25c2:a5d7 with SMTP id 3f1490d57ef6-e579ca07f9dls1625112276.0.-pod-prod-06-us; Fri, 17 Jan 2025 07:17:54 -0800 (PST) X-Received: by 2002:a05:690c:f82:b0:6f1:5591:2c6a with SMTP id 00721157ae682-6f6eb6568f0mr22044807b3.3.1737127074289; Fri, 17 Jan 2025 07:17:54 -0800 (PST) Received: by 2002:a81:a8c3:0:b0:6ef:b1a3:15f0 with SMTP id 00721157ae682-6f6ea6959a0ms7b3; Fri, 17 Jan 2025 06:54:56 -0800 (PST) X-Received: by 2002:a05:690c:fc2:b0:6ef:e390:95ee with SMTP id 00721157ae682-6f6eb65c506mr19250157b3.3.1737125695610; Fri, 17 Jan 2025 06:54:55 -0800 (PST) Date: Fri, 17 Jan 2025 06:54:55 -0800 (PST) From: Andrew Toth To: Bitcoin Development Mailing List Message-Id: Subject: [bitcoindev] BIP Draft: unspendable() Descriptor Key Expression MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_64176_1504343217.1737125695127" X-Original-Sender: andrewstoth@gmail.com Precedence: list Mailing-list: list bitcoindev@googlegroups.com; contact bitcoindev+owners@googlegroups.com List-ID: X-Google-Group-Id: 786775582512 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Score: -0.5 (/) ------=_Part_64176_1504343217.1737125695127 Content-Type: multipart/alternative; boundary="----=_Part_64177_591782809.1737125695127" ------=_Part_64177_591782809.1737125695127 Content-Type: text/plain; charset="UTF-8" This is a BIP Draft for an unspendable key expression that can be used as the taproot internal key. The expression creates a provably unspendable key that is deterministically created with only the descriptor. This allows all participants to verify that the keypath is unspendable, while also hiding that fact from outside observers. Previous discussion on delving https://delvingbitcoin.org/t/unspendable-keys-in-descriptors/304. https://github.com/bitcoin/bips/pull/1746 -- You received this message because you are subscribed to the Google Groups "Bitcoin Development Mailing List" group. To unsubscribe from this group and stop receiving emails from it, send an email to bitcoindev+unsubscribe@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/bitcoindev/a594150d-fd61-42f5-91cd-51ea32ba2b2cn%40googlegroups.com. ------=_Part_64177_591782809.1737125695127 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
=20

This is a BIP Draft for an unspendable key expression that can be used as the taproot internal key. The=20 expression creates a provably unspendable key that is deterministically=20 created with only the descriptor. This allows all participants to verify that the keypath is unspendable, while also hiding that fact from=20 outside observers.

Previous discussion on delving https://d= elvingbitcoin.org/t/unspendable-keys-in-descriptors/304.


https://github.com/bitcoin/bips/pull/1746

=20

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